Hi! I finally broken in my new S12 last week. I get to shoot the cheap wally world bulk pack, without any problems. Thanks to these site! . Does anybody know, if the Estate Super Sport Load, will cycle 99.9% with the S12 with polished bolt and MD plug? Any input is greatly appreciated. Thanks! Here is the link btw. http://www.cabelas.com/product/Shooting/Ammunition/Shotgun-Ammunition%7C/pc/104792580/c/104691780/sc/104567580/Estate-SuperSport-Target-Shotshells/741174.uts?destination=%2Fcatalog%2Fbrowse%2Fshooting-ammunition-shotgun-ammunition%2F_%2FN-1100191%2FNs-CATEGORY_SEQ_104567580%3FWTz_l%